<template>
	<!-- 最外层的容器 -->
	<view class="my-settle-container">
	  <!-- 全选区域 -->
	  <label class="radio" @click="changeAllState">
	    <radio color="#C00000" :checked="isFullCheck" /><text>全选</text>
	  </label>
	
	  <!-- 合计区域 -->
	  <view class="amount-box">
	    合计:<text class="amount">￥{{checkedGoodsAmount}}</text>
	  </view>
	
	  <!-- 结算按钮 -->
	  <view class="btn-settle">结算({{checkedCount}})</view>
	</view>
</template>

<script>
	import { mapGetters, mapMutations } from 'vuex'
	
	export default {
		name:"my-settle",
		
		data() {
			return {
				
			};
		},
		computed: {
			...mapGetters('m_cart', ['checkedCount', 'total', 'checkedGoodsAmount']),
			// 是否全选
			isFullCheck() {
				return this.total === this.checkedCount
			}
		},
		methods: {
			...mapMutations('m_cart', ['updateAllGoodsState']),
			
			// label 的点击事件处理函数
			changeAllState() {
			  // 修改购物车中所有商品的选中状态
			  // !this.isFullCheck 表示：当前全选按钮的状态取反之后，就是最新的勾选状态
			  this.updateAllGoodsState(!this.isFullCheck)
			}
		}
		
	}
</script>

<style lang="scss">
.my-settle-container {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50px;
  // 将背景色从 cyan 改为 white
  background-color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: 5px;
  font-size: 14px;

  .radio {
    display: flex;
    align-items: center;
  }

  .amount {
    color: #c00000;
  }

  .btn-settle {
    height: 50px;
    min-width: 100px;
    background-color: #c00000;
    color: white;
    line-height: 50px;
    text-align: center;
    padding: 0 10px;
  }
}
</style>
